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52656343653 = 371247212881
BaseRepresentation
bin110001000010100100…
…000000101001100101
312000220201012102002010
4301002210000221211
51330320010444103
640105012104433
73542605351614
oct610244005145
9160821172063
1052656343653
1120371151391
12a256605119
134c721ac5c4
14279743b87b
151582ba4903
hexc42900a65

52656343653 has 8 divisors (see below), whose sum is σ = 71197310016. Its totient is φ = 34609803200.

The previous prime is 52656343613. The next prime is 52656343687. The reversal of 52656343653 is 35634365625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52656343653 - 233 = 44066409061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52656343613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123606228 + ... + 123606653.

It is an arithmetic number, because the mean of its divisors is an integer number (8899663752).

Almost surely, 252656343653 is an apocalyptic number.

It is an amenable number.

52656343653 is a deficient number, since it is larger than the sum of its proper divisors (18540966363).

52656343653 is a wasteful number, since it uses less digits than its factorization.

52656343653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247212955.

The product of its digits is 5832000, while the sum is 48.

The spelling of 52656343653 in words is "fifty-two billion, six hundred fifty-six million, three hundred forty-three thousand, six hundred fifty-three".

Divisors: 1 3 71 213 247212881 741638643 17552114551 52656343653